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Refactor if..else into a switch.

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Also support the hidden and suspended states.
This commit is contained in:
Geenz 2014-03-12 21:17:54 -04:00
parent 292f37154b
commit d580f177a3
1 changed files with 21 additions and 8 deletions
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29
interface/src/GLCanvas.cpp
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@ -54,14 +54,27 @@ void GLCanvas::mouseReleaseEvent(QMouseEvent* event) {
}
void GLCanvas::activeChanged() {
if (Application::applicationState() != Qt::ApplicationActive) {
if (!_throttleRendering) {
_frameTimer.start(_idleRenderInterval);
_throttleRendering = true;
}
} else {
_frameTimer.stop();
_throttleRendering = false;
switch (Application::applicationState()) {
case Qt::ApplicationActive:
// If we're active, stop the frame timer and the throttle.
_frameTimer.stop();
_throttleRendering = false;
break;
case Qt::ApplicationSuspended:
case Qt::ApplicationHidden:
// If we're hidden or are about to suspend, don't render anything.
_throttleRendering = false;
_frameTimer.stop();
break;
default:
// Otherwise, throttle.
if (!_throttleRendering) {
_frameTimer.start(_idleRenderInterval);
_throttleRendering = true;
}
break;
}
}